| Howmet Global Fastening Systems Inc. | Fullerton | 2.1k |
| Gkn Aerospace Chem-Tronics Inc | El Cajon | 1.3k |
| Hilmar Cheese Co | Hilmar | 1.0k |
| J R Simplot Co | Helm | 989 |
| George Industries | Los Angeles | 900 |
| Pentagon Technologies Inc | Hayward | 553 |
| Leprino Foods Co | Lemoore | 500 |
| Precision Aerospace Corp | Rancho Cucamonga | 500 |
| Koia Anaheim Facility Llc | Anaheim | 458 |
| Ecolab Inc | City Of Industry | 441 |
| Honeywell International Inc | Torrance | 405 |
| Howmet Global Fastening Systems Inc | Torrance | 317 |
| Leprino Foods Co | Tracy | 255 |
| All Metals Processing Of Orange County Llc | Stanton | 255 |
| Precision Anodizing & Plating Inc. | Anaheim | 255 |
| Leprino Foods Co | Lemoore | 255 |
| Heraeus Precious Metals Na Llc | Santa Fe Springs | 253 |
| Univar Solutions Usa Inc | Santa Fe Springs | 191 |
| Aircraft X-Ray Laboratories Inc. | Huntington Park | 185 |
| Royal Chemical Co | Hayward | 167 |
| Ducommun Aerostructures | El Mirage | 166 |
| Senior Aerospace Inc Ssp Div | Burbank | 147 |
| Newport Fab Llc (Dba Towerjazz) | Newport Beach | 132 |
| Sgl Technic Inc Polycarbon Di V | Santa Clarita | 74 |
| Quaker City Plating & Silversmith Ltd | Whittier | 65 |
| Alloy Processing | Compton | 52 |
| Chemical Compounding Co | Oakland | 41 |
| Hixson Metal Finishing | Newport Beach | 27 |
| Custom Chemical Formulators Inc | Santa Fe Springs | 27 |
| Phibro-Tech Inc. | Santa Fe Springs | 25 |
| Voltage Multipliers Inc. | Visalia | 24 |
| Miles Chemical Co Inc. | Arleta | 21 |
| Hydrite Chemical Co | Visalia | 21 |
| Ducommun Aerostructures | Gardena | 16 |
| Pacific Star Chemical Llc D.b.a. Northstar Chemical | Modesto | 16 |
| Gea Farm Technologies Inc. Dba Gea Ws West | Fresno | 10 |
| Knapp Mfg | Fresno | 10 |
| Producers Dairy Foods Inc | Fairfield | 10 |
| Streamline Circuits | Santa Clara | 10 |
| Transene Co Oakland | Oakland | 10 |
| Arrowhead Products Corp | Los Alamitos | 10 |
| Brown-Pacific Inc. | Santa Fe Springs | 10 |
| Producers Dairy Foods Inc. | Fresno | 10 |
| Pioneer Circuits Inc | Santa Ana | 10 |
| Summit Interconnect Inc. Orange | Orange | 10 |
| Keysight Technologies Inc | Santa Rosa | 10 |
| Lmc Enterprises Dba Flo-Kem Dba Chemco Products Co | Compton | 10 |
| Alert Plating Co | Sun Valley | 10 |
| Pacific Star Chemical Llc | Santa Fe Springs | 6 |
| Stremicks Heritage Foods | Santa Ana | 5 |
| Stremicks Heritage Foods | Riverside | 5 |
| Joslyn Sunbank Co Llc | Paso Robles | 5 |
| Csl Operating Llc | Santa Clara | 5 |
| Jerseymaid Milk Products Vons Co Inc | Commerce | 5 |
| Alloys Cleaning Inc | Los Angeles | 5 |
| Sierra Circuits Inc (Dba Sierra Proto Express) | Sunnyvale | 5 |
| Dfa Dairy Brands Fluid Llc Dba Alta Dena Certified Dairy | City Of Industry | 5 |
| Dfa Dairy Brands Fluid Llc Dba Alta Dena Certified Dairy | City Of Industry | 5 |
| Miles Chemical Co | Anaheim | 5 |
| Gallade Chemical Inc | Santa Ana | 3 |
| Newlight Technologies Inc | Huntington Beach | 2 |
| Univar Solutions Usa | Redwood City | 2 |
| Univar Solutions Usa Inc. | Commerce | 0 |
| California Natural Products | Lathrop | 0 |
| Bristol Industries Llc | Brea | 0 |
| Huck International Inc | Carson | 0 |
| Aluminum Precision Products Inc | Santa Ana | 0 |
| Danco Anodizing (Dba Danco Metal Surfacing) | Santa Ana | 0 |
| Cherry Aerospace | Santa Ana | 0 |
| Aluminum Precision Products Alton St Facility Div | Santa Ana | 0 |
| Lactalis Heritage Dairy Inc. | Tulare | 0 |
| Aluminum Precision Products Inc. | Oxnard | 0 |
| California Dairies Inc Visalia | Visalia | 0 |
| California Dairies Inc Los Banos | Los Banos | 0 |
| Actus Nutrition - Visalia | Visalia | 0 |
| California Dairies Inc Tipton | Tipton | 0 |
| Clean Harbors San Jose Llc | San Jose | 0 |
| Gallo Cheese Plant | Atwater | 0 |
| Ttm Technologies N.a. Llc | Santa Ana | 0 |
| Land O Lakes - Tulare Dairy | Tulare | 0 |
| California Dairies Inc Turlock North | Turlock | 0 |
| New Carrot Farms Llc Dba Bolthouse Fresh Foods | Bakersfield | 0 |
| Enviro Tech Chemical Services Inc. | Modesto | 0 |
| Rumiano Cheese Co | Crescent City | 0 |
| Brenntag Pacific Inc. | Richmond | 0 |
| Frito Lay Inc. | Modesto | 0 |
| Rex Creamery | Los Angeles | 0 |
| Baldwin Richardson Foods Co | Corona | 0 |
| California Dairies Inc Fresno | Fresno | 0 |
| Us Ecology Vernon Inc. | Vernon | 0 |
| Frito Lay Inc. | Bakersfield | 0 |
| Grow More Inc. | Gardena | 0 |
| Firestone Walker Llc | Paso Robles | 0 |
| Clover Stornetta Farms Inc | Petaluma | 0 |
| Nestle Usa Inc | Modesto | 0 |
| Saputo Cheese Usa Inc | Newman | 0 |
| Shell Catalysts & Technologies - Pittsburg | Pittsburg | 0 |
| Sanmina Plant # 2 | San Jose | 0 |
| Saputo Cheese Usa Inc. | Tulare | 0 |
| Saputo Cheese Usa Inc | Gustine | 0 |